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<td ><a href="index.html">Qt 5.14</a></td><td >GNU General Public License (GPL)</td></tr></table><table class="buildversion"><tr>
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<li class="level1"><a href="#gpl-version-3">GPL version 3</a></li>
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<h1 class="title">GNU General Public License (GPL)</h1>
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<p>Qt is available under the GNU General Public License version 3.</p>
<p>The Qt Toolkit is Copyright (C) 2018 The Qt Company Ltd. and other contributors.<br />
 Contact: <a href="https://www.qt.io/licensing/">https://www.qt.io/licensing/</a></p>
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<li><a href="http://www.gnu.org/licenses/gpl.html">GNU General Public License (GPL), version 3</a></li>
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<a name="gpl-version-3"></a>
<h2 id="gpl-version-3">GPL version 3</h2>
<pre class="cpp">

   You may use<span class="operator">,</span> distribute and copy the <span class="type"><a href="../qtcore/qt.html">Qt</a></span> GUI Toolkit under the terms of
   GNU General Public License version <span class="number">3</span><span class="operator">,</span> which is displayed below<span class="operator">.</span>

                      GNU GENERAL PUBLIC LICENSE
                         Version <span class="number">3</span><span class="operator">,</span> <span class="number">29</span> June <span class="number">2007</span>

   Copyright (C) <span class="number">2007</span> Free Software Foundation<span class="operator">,</span> Inc<span class="operator">.</span> <span class="operator">&lt;</span>http:<span class="comment">//fsf.org/&gt;</span>
   Everyone is permitted to copy and distribute verbatim copies
   of <span class="keyword">this</span> license document<span class="operator">,</span> but changing it is <span class="keyword">not</span> allowed<span class="operator">.</span>

                              Preamble

    The GNU General Public License is a free<span class="operator">,</span> copyleft license <span class="keyword">for</span>
  software and other kinds of works<span class="operator">.</span>

    The licenses <span class="keyword">for</span> most software and other practical works are designed
  to take away your freedom to share and change the works<span class="operator">.</span>  By contrast<span class="operator">,</span>
  the GNU General Public License is intended to guarantee your freedom to
  share and change all versions of a program<span class="operator">-</span><span class="operator">-</span>to make sure it remains free
  software <span class="keyword">for</span> all its users<span class="operator">.</span>  We<span class="operator">,</span> the Free Software Foundation<span class="operator">,</span> use the
  GNU General Public License <span class="keyword">for</span> most of our software; it applies also to
  any other work released <span class="keyword">this</span> way by its authors<span class="operator">.</span>  You can apply it to
  your programs<span class="operator">,</span> too<span class="operator">.</span>

    When we speak of free software<span class="operator">,</span> we are referring to freedom<span class="operator">,</span> <span class="keyword">not</span>
  price<span class="operator">.</span>  Our General Public Licenses are designed to make sure that you
  have the freedom to distribute copies of free software (and charge <span class="keyword">for</span>
  them <span class="keyword">if</span> you wish)<span class="operator">,</span> that you receive source code <span class="keyword">or</span> can get it <span class="keyword">if</span> you
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    To protect your rights<span class="operator">,</span> we need to prevent others from denying you
  these rights <span class="keyword">or</span> asking you to surrender the rights<span class="operator">.</span>  Therefore<span class="operator">,</span> you have
  certain responsibilities <span class="keyword">if</span> you distribute copies of the software<span class="operator">,</span> <span class="keyword">or</span> <span class="keyword">if</span>
  you modify it: responsibilities to respect the freedom of others<span class="operator">.</span>

    For example<span class="operator">,</span> <span class="keyword">if</span> you distribute copies of such a program<span class="operator">,</span> whether
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    Developers that use the GNU GPL protect your rights with two steps:
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  giving you legal permission to copy<span class="operator">,</span> distribute and<span class="operator">/</span><span class="keyword">or</span> modify it<span class="operator">.</span>

    For the developers<span class="char">' and authors'</span> protection<span class="operator">,</span> the GPL clearly explains
  that there is no warranty <span class="keyword">for</span> <span class="keyword">this</span> free software<span class="operator">.</span>  For both users<span class="char">' and
  authors'</span> sake<span class="operator">,</span> the GPL requires that modified versions be marked as
  changed<span class="operator">,</span> so that their problems will <span class="keyword">not</span> be attributed erroneously to
  authors of previous versions<span class="operator">.</span>

    Some devices are designed to deny users access to install <span class="keyword">or</span> run
  modified versions of the software inside them<span class="operator">,</span> although the manufacturer
  can <span class="keyword">do</span> so<span class="operator">.</span>  This is fundamentally incompatible with the aim of
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  have designed this version of the GPL to prohibit the practice for those
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    Finally, every program is threatened constantly by software patents.
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    The precise terms and conditions for copying, distribution and
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                         TERMS AND CONDITIONS

    0. Definitions.

    &quot;This License&quot; refers to version 3 of the GNU General Public License.

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    To &quot;convey&quot; a work means any kind of propagation that enables other
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    An interactive user interface displays &quot;Appropriate Legal Notices&quot;
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    1. Source Code.

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    <span class="number">2.</span> Basic Permissions<span class="operator">.</span>

    All rights granted under <span class="keyword">this</span> License are granted <span class="keyword">for</span> the term of
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    <span class="number">3.</span> Protecting Users<span class="char">' Legal Rights From Anti-Circumvention Law.

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    When you convey a covered work, you waive any legal power to forbid
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    4. Conveying Verbatim Copies.

    You may convey verbatim copies of the Program'</span>s source code as you
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  keep intact all notices of the absence of any warranty; and give all
  recipients a copy of <span class="keyword">this</span> License along with the Program<span class="operator">.</span>

    You may charge any price <span class="keyword">or</span> no price <span class="keyword">for</span> each copy that you convey<span class="operator">,</span>
  and you may offer support <span class="keyword">or</span> warranty protection <span class="keyword">for</span> a fee<span class="operator">.</span>

    <span class="number">5.</span> Conveying Modified Source Versions<span class="operator">.</span>

    You may convey a work based on the Program<span class="operator">,</span> <span class="keyword">or</span> the modifications to
  produce it from the Program<span class="operator">,</span> in the form of source code under the
  terms of section <span class="number">4</span><span class="operator">,</span> provided that you also meet all of these conditions:

      a) The work must carry prominent notices stating that you modified
      it<span class="operator">,</span> and giving a relevant date<span class="operator">.</span>

      b) The work must carry prominent notices stating that it is
      released under <span class="keyword">this</span> License and any conditions added under section
      <span class="number">7.</span>  This requirement modifies the requirement in section <span class="number">4</span> to
      <span class="string">&quot;keep intact all notices&quot;</span><span class="operator">.</span>

      c) You must license the entire work<span class="operator">,</span> as a whole<span class="operator">,</span> under <span class="keyword">this</span>
      License to anyone who comes into possession of a copy<span class="operator">.</span>  This
      License will therefore apply<span class="operator">,</span> along with any applicable section <span class="number">7</span>
      additional terms<span class="operator">,</span> to the whole of the work<span class="operator">,</span> and all its parts<span class="operator">,</span>
      regardless of how they are packaged<span class="operator">.</span>  This License gives no
      permission to license the work in any other way<span class="operator">,</span> but it does <span class="keyword">not</span>
      invalidate such permission <span class="keyword">if</span> you have separately received it<span class="operator">.</span>

      d) If the work has interactive user interfaces<span class="operator">,</span> each must display
      Appropriate Legal Notices; however<span class="operator">,</span> <span class="keyword">if</span> the Program has interactive
      interfaces that <span class="keyword">do</span> <span class="keyword">not</span> display Appropriate Legal Notices<span class="operator">,</span> your
      work need <span class="keyword">not</span> make them <span class="keyword">do</span> so<span class="operator">.</span>

    A compilation of a covered work with other separate and independent
  works<span class="operator">,</span> which are <span class="keyword">not</span> by their nature extensions of the covered work<span class="operator">,</span>
  and which are <span class="keyword">not</span> combined with it such as to form a larger program<span class="operator">,</span>
  in <span class="keyword">or</span> on a volume of a storage <span class="keyword">or</span> distribution medium<span class="operator">,</span> is called an
  <span class="string">&quot;aggregate&quot;</span> <span class="keyword">if</span> the compilation and its resulting copyright are <span class="keyword">not</span>
  used to limit the access <span class="keyword">or</span> legal rights of the compilation<span class="char">'s users
  beyond what the individual works permit.  Inclusion of a covered work
  in an aggregate does not cause this License to apply to the other
  parts of the aggregate.

    6. Conveying Non-Source Forms.

    You may convey a covered work in object code form under the terms
  of sections 4 and 5, provided that you also convey the
  machine-readable Corresponding Source under the terms of this License,
  in one of these ways:

      a) Convey the object code in, or embodied in, a physical product
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      Corresponding Source fixed on a durable physical medium
      customarily used for software interchange.

      b) Convey the object code in, or embodied in, a physical product
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      long as you offer spare parts or customer support for that product
      model, to give anyone who possesses the object code either (1) a
      copy of the Corresponding Source for all the software in the
      product that is covered by this License, on a durable physical
      medium customarily used for software interchange, for a price no
      more than your reasonable cost of physically performing this
      conveying of source, or (2) access to copy the
      Corresponding Source from a network server at no charge.

      c) Convey individual copies of the object code with a copy of the
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      d) Convey the object code by offering access from a designated
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      a) Disclaiming warranty or limiting liability differently from the
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  a further restriction but permits relicensing or conveying under this
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    Additional terms, permissive or non-permissive, may be stated in the
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    8. Termination.

    You may not propagate or modify a covered work except as expressly
  provided under this License.  Any attempt otherwise to propagate or
  modify it is void, and will automatically terminate your rights under
  this License (including any patent licenses granted under the third
  paragraph of section 11).

    However, if you cease all violation of this License, then your
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    Moreover, your license from a particular copyright holder is
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  copyright holder, and you cure the violation prior to 30 days after
  your receipt of the notice.

    Termination of your rights under this section does not terminate the
  licenses of parties who have received copies or rights from you under
  this License.  If your rights have been terminated and not permanently
  reinstated, you do not qualify to receive new licenses for the same
  material under section 10.

    9. Acceptance Not Required for Having Copies.

    You are not required to accept this License in order to receive or
  run a copy of the Program.  Ancillary propagation of a covered work
  occurring solely as a consequence of using peer-to-peer transmission
  to receive a copy likewise does not require acceptance.  However,
  nothing other than this License grants you permission to propagate or
  modify any covered work.  These actions infringe copyright if you do
  not accept this License.  Therefore, by modifying or propagating a
  covered work, you indicate your acceptance of this License to do so.

    10. Automatic Licensing of Downstream Recipients.

    Each time you convey a covered work, the recipient automatically
  receives a license from the original licensors, to run, modify and
  propagate that work, subject to this License.  You are not responsible
  for enforcing compliance by third parties with this License.

    An &quot;entity transaction&quot; is a transaction transferring control of an
  organization, or substantially all assets of one, or subdividing an
  organization, or merging organizations.  If propagation of a covered
  work results from an entity transaction, each party to that
  transaction who receives a copy of the work also receives whatever
  licenses to the work the party'</span>s predecessor in interest had <span class="keyword">or</span> could
  give under the previous paragraph<span class="operator">,</span> plus a right to possession of the
  Corresponding Source of the work from the predecessor in interest<span class="operator">,</span> <span class="keyword">if</span>
  the predecessor has it <span class="keyword">or</span> can get it with reasonable efforts<span class="operator">.</span>

    You may <span class="keyword">not</span> impose any further restrictions on the exercise of the
  rights granted <span class="keyword">or</span> affirmed under <span class="keyword">this</span> License<span class="operator">.</span>  For example<span class="operator">,</span> you may
  <span class="keyword">not</span> impose a license fee<span class="operator">,</span> royalty<span class="operator">,</span> <span class="keyword">or</span> other charge <span class="keyword">for</span> exercise of
  rights granted under <span class="keyword">this</span> License<span class="operator">,</span> and you may <span class="keyword">not</span> initiate litigation
  (including a cross<span class="operator">-</span>claim <span class="keyword">or</span> counterclaim in a lawsuit) alleging that
  any patent claim is infringed by making<span class="operator">,</span> <span class="keyword">using</span><span class="operator">,</span> selling<span class="operator">,</span> offering <span class="keyword">for</span>
  sale<span class="operator">,</span> <span class="keyword">or</span> importing the Program <span class="keyword">or</span> any portion of it<span class="operator">.</span>

    <span class="number">11.</span> Patents<span class="operator">.</span>

    A <span class="string">&quot;contributor&quot;</span> is a copyright holder who authorizes use under <span class="keyword">this</span>
  License of the Program <span class="keyword">or</span> a work on which the Program is based<span class="operator">.</span>  The
  work thus licensed is called the contributor<span class="char">'s &quot;contributor version&quot;.

    A contributor'</span>s <span class="string">&quot;essential patent claims&quot;</span> are all patent claims
  owned <span class="keyword">or</span> controlled by the contributor<span class="operator">,</span> whether already acquired <span class="keyword">or</span>
  hereafter acquired<span class="operator">,</span> that would be infringed by some manner<span class="operator">,</span> permitted
  by <span class="keyword">this</span> License<span class="operator">,</span> of making<span class="operator">,</span> <span class="keyword">using</span><span class="operator">,</span> <span class="keyword">or</span> selling its contributor version<span class="operator">,</span>
  but <span class="keyword">do</span> <span class="keyword">not</span> <span class="keyword">include</span> claims that would be infringed only as a
  consequence of further modification of the contributor version<span class="operator">.</span>  For
  purposes of <span class="keyword">this</span> definition<span class="operator">,</span> <span class="string">&quot;control&quot;</span> includes the right to grant
  patent sublicenses in a manner consistent with the requirements of
  <span class="keyword">this</span> License<span class="operator">.</span>

    Each contributor grants you a non<span class="operator">-</span>exclusive<span class="operator">,</span> worldwide<span class="operator">,</span> royalty<span class="operator">-</span>free
  patent license under the contributor<span class="char">'s essential patent claims, to
  make, use, sell, offer for sale, import and otherwise run, modify and
  propagate the contents of its contributor version.

    In the following three paragraphs, a &quot;patent license&quot; is any express
  agreement or commitment, however denominated, not to enforce a patent
  (such as an express permission to practice a patent or covenant not to
  sue for patent infringement).  To &quot;grant&quot; such a patent license to a
  party means to make such an agreement or commitment not to enforce a
  patent against the party.

    If you convey a covered work, knowingly relying on a patent license,
  and the Corresponding Source of the work is not available for anyone
  to copy, free of charge and under the terms of this License, through a
  publicly available network server or other readily accessible means,
  then you must either (1) cause the Corresponding Source to be so
  available, or (2) arrange to deprive yourself of the benefit of the
  patent license for this particular work, or (3) arrange, in a manner
  consistent with the requirements of this License, to extend the patent
  license to downstream recipients.  &quot;Knowingly relying&quot; means you have
  actual knowledge that, but for the patent license, your conveying the
  covered work in a country, or your recipient'</span>s use of the covered work
  in a country<span class="operator">,</span> would infringe one <span class="keyword">or</span> more identifiable patents in that
  country that you have reason to believe are valid<span class="operator">.</span>

    If<span class="operator">,</span> pursuant to <span class="keyword">or</span> in connection with a single transaction <span class="keyword">or</span>
  arrangement<span class="operator">,</span> you convey<span class="operator">,</span> <span class="keyword">or</span> propagate by procuring conveyance of<span class="operator">,</span> a
  covered work<span class="operator">,</span> and grant a patent license to some of the parties
  receiving the covered work authorizing them to use<span class="operator">,</span> propagate<span class="operator">,</span> modify
  <span class="keyword">or</span> convey a specific copy of the covered work<span class="operator">,</span> then the patent license
  you grant is automatically extended to all recipients of the covered
  work and works based on it<span class="operator">.</span>

    A patent license is <span class="string">&quot;discriminatory&quot;</span> <span class="keyword">if</span> it does <span class="keyword">not</span> <span class="keyword">include</span> within
  the scope of its coverage<span class="operator">,</span> prohibits the exercise of<span class="operator">,</span> <span class="keyword">or</span> is
  conditioned on the non<span class="operator">-</span>exercise of one <span class="keyword">or</span> more of the rights that are
  specifically granted under <span class="keyword">this</span> License<span class="operator">.</span>  You may <span class="keyword">not</span> convey a covered
  work <span class="keyword">if</span> you are a party to an arrangement with a third party that is
  in the business of distributing software<span class="operator">,</span> under which you make payment
  to the third party based on the extent of your activity of conveying
  the work<span class="operator">,</span> and under which the third party grants<span class="operator">,</span> to any of the
  parties who would receive the covered work from you<span class="operator">,</span> a discriminatory
  patent license (a) in connection with copies of the covered work
  conveyed by you (<span class="keyword">or</span> copies made from those copies)<span class="operator">,</span> <span class="keyword">or</span> (b) primarily
  <span class="keyword">for</span> and in connection with specific products <span class="keyword">or</span> compilations that
  contain the covered work<span class="operator">,</span> unless you entered into that arrangement<span class="operator">,</span>
  <span class="keyword">or</span> that patent license was granted<span class="operator">,</span> prior to <span class="number">28</span> March <span class="number">2007.</span>

    Nothing in <span class="keyword">this</span> License shall be construed as excluding <span class="keyword">or</span> limiting
  any implied license <span class="keyword">or</span> other defenses to infringement that may
  otherwise be available to you under applicable patent law<span class="operator">.</span>

    <span class="number">12.</span> No Surrender of Others<span class="char">' Freedom.

    If conditions are imposed on you (whether by court order, agreement or
  otherwise) that contradict the conditions of this License, they do not
  excuse you from the conditions of this License.  If you cannot convey a
  covered work so as to satisfy simultaneously your obligations under this
  License and any other pertinent obligations, then as a consequence you may
  not convey it at all.  For example, if you agree to terms that obligate you
  to collect a royalty for further conveying from those to whom you convey
  the Program, the only way you could satisfy both those terms and this
  License would be to refrain entirely from conveying the Program.

    13. Use with the GNU Affero General Public License.

    Notwithstanding any other provision of this License, you have
  permission to link or combine any covered work with a work licensed
  under version 3 of the GNU Affero General Public License into a single
  combined work, and to convey the resulting work.  The terms of this
  License will continue to apply to the part which is the covered work,
  but the special requirements of the GNU Affero General Public License,
  section 13, concerning interaction through a network will apply to the
  combination as such.

    14. Revised Versions of this License.

    The Free Software Foundation may publish revised and/or new versions of
  the GNU General Public License from time to time.  Such new versions will
  be similar in spirit to the present version, but may differ in detail to
  address new problems or concerns.

    Each version is given a distinguishing version number.  If the
  Program specifies that a certain numbered version of the GNU General
  Public License &quot;or any later version&quot; applies to it, you have the
  option of following the terms and conditions either of that numbered
  version or of any later version published by the Free Software
  Foundation.  If the Program does not specify a version number of the
  GNU General Public License, you may choose any version ever published
  by the Free Software Foundation.

    If the Program specifies that a proxy can decide which future
  versions of the GNU General Public License can be used, that proxy'</span>s
  <span class="keyword">public</span> statement of acceptance of a version permanently authorizes you
  to choose that version <span class="keyword">for</span> the Program<span class="operator">.</span>

    Later license versions may give you additional <span class="keyword">or</span> different
  permissions<span class="operator">.</span>  However<span class="operator">,</span> no additional obligations are imposed on any
  author <span class="keyword">or</span> copyright holder as a result of your choosing to follow a
  later version<span class="operator">.</span>

    <span class="number">15.</span> Disclaimer of Warranty<span class="operator">.</span>

    THERE IS NO WARRANTY FOR THE PROGRAM<span class="operator">,</span> TO THE EXTENT PERMITTED BY
  APPLICABLE LAW<span class="operator">.</span>  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
  HOLDERS AND<span class="operator">/</span>OR OTHER PARTIES PROVIDE THE PROGRAM <span class="string">&quot;AS IS&quot;</span> WITHOUT WARRANTY
  OF ANY KIND<span class="operator">,</span> EITHER EXPRESSED OR IMPLIED<span class="operator">,</span> INCLUDING<span class="operator">,</span> BUT NOT LIMITED TO<span class="operator">,</span>
  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  PURPOSE<span class="operator">.</span>  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
  IS WITH YOU<span class="operator">.</span>  SHOULD THE PROGRAM PROVE DEFECTIVE<span class="operator">,</span> YOU ASSUME THE COST OF
  ALL NECESSARY SERVICING<span class="operator">,</span> REPAIR OR CORRECTION<span class="operator">.</span>

    <span class="number">16.</span> Limitation of Liability<span class="operator">.</span>

    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
  WILL ANY COPYRIGHT HOLDER<span class="operator">,</span> OR ANY OTHER PARTY WHO MODIFIES AND<span class="operator">/</span>OR CONVEYS
  THE PROGRAM AS PERMITTED ABOVE<span class="operator">,</span> BE LIABLE TO YOU FOR DAMAGES<span class="operator">,</span> INCLUDING ANY
  GENERAL<span class="operator">,</span> SPECIAL<span class="operator">,</span> INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
  USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
  DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
  PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS)<span class="operator">,</span>
  EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
  SUCH DAMAGES<span class="operator">.</span>

    <span class="number">17.</span> Interpretation of Sections <span class="number">15</span> and <span class="number">16.</span>

    If the disclaimer of warranty and limitation of liability provided
  above cannot be given local legal effect according to their terms<span class="operator">,</span>
  reviewing courts shall apply local law that most closely approximates
  an absolute waiver of all civil liability in connection with the
  Program<span class="operator">,</span> unless a warranty <span class="keyword">or</span> assumption of liability accompanies a
  copy of the Program in <span class="keyword">return</span> <span class="keyword">for</span> a fee<span class="operator">.</span>

                       END OF TERMS AND CONDITIONS

              How to Apply These Terms to Your New Programs

    If you develop a <span class="keyword">new</span> program<span class="operator">,</span> and you want it to be of the greatest
  possible use to the <span class="keyword">public</span><span class="operator">,</span> the best way to achieve <span class="keyword">this</span> is to make it
  free software which everyone can redistribute and change under these terms<span class="operator">.</span>

    To <span class="keyword">do</span> so<span class="operator">,</span> attach the following notices to the program<span class="operator">.</span>  It is safest
  to attach them to the start of each source file to most effectively
  state the exclusion of warranty; and each file should have at least
  the <span class="string">&quot;copyright&quot;</span> line and a pointer to where the full notice is found<span class="operator">.</span>

      <span class="operator">&lt;</span>one line to give the program<span class="char">'s name and a brief idea of what it does.&gt;
      Copyright (C) &lt;year&gt;  &lt;name of author&gt;

      This program is free software: you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation, either version 3 of the License, or
      (at your option) any later version.

      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.

      You should have received a copy of the GNU General Public License
      along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.

  Also add information on how to contact you by electronic and paper mail.

    If the program does terminal interaction, make it output a short
  notice like this when it starts in an interactive mode:

      &lt;program&gt;  Copyright (C) &lt;year&gt;  &lt;name of author&gt;
      This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'</span><span class="operator">.</span>
      This is free software<span class="operator">,</span> and you are welcome to redistribute it
      under certain conditions; type `show c<span class="char">' for details.

  The hypothetical commands `show w'</span> and `show c<span class="char">' should show the appropriate
  parts of the General Public License.  Of course, your program'</span>s commands
  might be different; <span class="keyword">for</span> a GUI interface<span class="operator">,</span> you would use an <span class="string">&quot;about box&quot;</span><span class="operator">.</span>

    You should also get your employer (<span class="keyword">if</span> you work as a programmer) <span class="keyword">or</span> school<span class="operator">,</span>
  <span class="keyword">if</span> any<span class="operator">,</span> to sign a <span class="string">&quot;copyright disclaimer&quot;</span> <span class="keyword">for</span> the program<span class="operator">,</span> <span class="keyword">if</span> necessary<span class="operator">.</span>
  For more information on <span class="keyword">this</span><span class="operator">,</span> and how to apply and follow the GNU GPL<span class="operator">,</span> see
  <span class="operator">&lt;</span>http:<span class="comment">//www.gnu.org/licenses/&gt;.</span>

    The GNU General Public License does <span class="keyword">not</span> permit incorporating your program
  into proprietary programs<span class="operator">.</span>  If your program is a subroutine library<span class="operator">,</span> you
  may consider it more useful to permit linking proprietary applications with
  the library<span class="operator">.</span>  If <span class="keyword">this</span> is what you want to <span class="keyword">do</span><span class="operator">,</span> use the GNU Lesser General
  Public License instead of <span class="keyword">this</span> License<span class="operator">.</span>  But first<span class="operator">,</span> please read
  <span class="operator">&lt;</span>http:<span class="comment">//www.gnu.org/philosophy/why-not-lgpl.html&gt;.</span>

</pre>
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